Phase-contrast and three-dimensional driven equilibrium (3D-DRIVE) sequences in the assessment of paediatric obstructive hydrocephalus

Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery
Shaimaa Abdelsattar MohammadReham M Khalil

Abstract

Recently, most cases of hydrocephalus are related to obstruction. Accurate localization of the site of obstruction is crucial in determination of the treatment strategy. To describe the phase-contrast and 3D-DRIVE findings in cases of obstructive hydrocephalus in paediatric patients and to determine their functional and anatomical correlates. Brain MRIs of 25 patients (2 months to 11 years) with obstructive hydrocephalus were retrospectively reviewed. Phase-contrast and 3D-DRIVE were performed to assess cerebrospinal (CSF) pathways through the aqueduct of Sylvius and subarachnoid spaces. In addition to flow velocity measurement at the aqueduct of Sylvius, functional and anatomical correlation was analysed at the level of aqueduct of Sylvius, infracerebellar CSF space and at the third ventriculostomy using Spearman's rank test. Aqueduct of Sylvius was the most common site of obstruction (19 patients) either secondary to focal, multifocal or tubular stenosis, adhesions, or secondary to extrinsic compression. Functional and anatomical correlation was analysed in 58 regions revealing strong correlation (ro = 0.8, p < .001). Functional anatomical mismatch was found in nine regions. Flow velocity measurements revealed diminished flow...Continue Reading

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Citations

May 31, 2019·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·Felice D'Arco, Mario Ganau
Jan 29, 2019·Insights Into Imaging·Shaimaa Abdelsattar MohammadKhaled A Ahmed
Nov 11, 2020·Clinical Neurology and Neurosurgery·Nobuyuki TakeshigeMotohiro Morioka
Jun 21, 2021·Seminars in Ultrasound, CT, and MR·Claudia F Kirsch, Mai-Lan Ho

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